title: Performance of hair sheep composite breeds: resistance of lambs to Haemonchus contortus.
mesh_terms: D000818:Animals; D003433:Crosses, Genetic; D004198:Disease Susceptibility / Q000662:veterinary*; D005260:Female; D006188:Haemonchiasis / Q000235:genetics / Q000276:immunology / Q000469:parasitology / Q000662:veterinary*; D006189:Haemonchus / Q000472:pathogenicity / Q000502:physiology; D007411:Intestinal Diseases, Parasitic / Q000235:genetics / Q000276:immunology / Q000469:parasitology / Q000662:veterinary*; D008297:Male; D010270:Parasite Egg Count / Q000662:veterinary; D012756:Sheep / Q000235:genetics*; D012757:Sheep Diseases / Q000235:genetics / Q000276:immunology* / Q000469:parasitology; D014935:Wool